1157535746 has 48 divisors (see below), whose sum is σ = 1961361600. Its totient is φ = 510789888.

The previous prime is 1157535721. The next prime is 1157535761. The reversal of 1157535746 is 6475357511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1157535697 and 1157535706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196555 + ... + 1197521.

It is an arithmetic number, because the mean of its divisors is an integer number (40861700).

Almost surely, 2^1157535746 is an apocalyptic number.

1157535746 is a deficient number, since it is larger than the sum of its proper divisors (803825854).

1157535746 is a wasteful number, since it uses less digits than its factorization.

1157535746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1114 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 1157535746 is about 34022.5770041013. The cubic root of 1157535746 is about 1049.9730139701.

The spelling of 1157535746 in words is "one billion, one hundred fifty-seven million, five hundred thirty-five thousand, seven hundred forty-six".